Regulations last checked for updates: Feb 06, 2026

Title 40 - Protection of Environment last revised: Dec 22, 2026
§ 418.61 - Specialized definitions.

For the purpose of this subpart:

(a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in part 401 shall apply to this subpart.

(b) [Reserved]

authority: 33 U.S.C. 1251
source: 39 FR 12836, April 8, 1974, unless otherwise noted.
cite as: 40 CFR 418.61